EP3512169A4 - Procédé et dispositif de transmission à formation de faisceau - Google Patents

Procédé et dispositif de transmission à formation de faisceau Download PDF

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Publication number
EP3512169A4
EP3512169A4 EP16917371.3A EP16917371A EP3512169A4 EP 3512169 A4 EP3512169 A4 EP 3512169A4 EP 16917371 A EP16917371 A EP 16917371A EP 3512169 A4 EP3512169 A4 EP 3512169A4
Authority
EP
European Patent Office
Prior art keywords
transmission method
beamforming transmission
beamforming
transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16917371.3A
Other languages
German (de)
English (en)
Other versions
EP3512169B1 (fr
EP3512169A1 (fr
Inventor
Yanliang SUN
Bin Liu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of EP3512169A1 publication Critical patent/EP3512169A1/fr
Publication of EP3512169A4 publication Critical patent/EP3512169A4/fr
Application granted granted Critical
Publication of EP3512169B1 publication Critical patent/EP3512169B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
EP16917371.3A 2016-09-30 2016-09-30 Procédé et dispositif de transmission à formation de faisceau Active EP3512169B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/101288 WO2018058621A1 (fr) 2016-09-30 2016-09-30 Procédé et dispositif de transmission à formation de faisceau

Publications (3)

Publication Number Publication Date
EP3512169A1 EP3512169A1 (fr) 2019-07-17
EP3512169A4 true EP3512169A4 (fr) 2019-08-14
EP3512169B1 EP3512169B1 (fr) 2023-04-05

Family

ID=61763019

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16917371.3A Active EP3512169B1 (fr) 2016-09-30 2016-09-30 Procédé et dispositif de transmission à formation de faisceau

Country Status (4)

Country Link
US (1) US10693543B2 (fr)
EP (1) EP3512169B1 (fr)
CN (1) CN109565479B (fr)
WO (1) WO2018058621A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113258974B (zh) * 2020-02-10 2022-12-30 大唐移动通信设备有限公司 信道状态信息反馈方法、装置、终端、网络侧和存储介质
CN115002785B (zh) * 2021-03-02 2024-06-04 中国联合网络通信集团有限公司 天线端口数据的处理方法及通信装置
CN114301551B (zh) * 2021-12-30 2023-06-02 北京信息科技大学 一种车联网中基于感知的车载天线极化状态估计方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150222340A1 (en) * 2012-09-07 2015-08-06 Ntt Docomo, Inc. Radio communication method, user terminal, radio base station and radio communication system
WO2016051792A1 (fr) * 2014-10-01 2016-04-07 Nec Corporation Procédé et système de communication mimo
US20160233938A1 (en) * 2015-02-06 2016-08-11 Nokia Solutions And Networks Oy Multiple Restrictions For CSI Reporting

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US20050286663A1 (en) * 2004-06-23 2005-12-29 Intel Corporation Compact feedback for closed loop MIMO systems
US8259836B2 (en) * 2006-12-04 2012-09-04 Samsung Electronics Co., Ltd. Method and system for generating candidate beamforming coefficients for transmission of data over a wireless medium
US8073069B2 (en) * 2007-01-05 2011-12-06 Apple Inc. Multi-user MIMO-SDMA for finite rate feedback systems
US7809074B2 (en) * 2007-03-16 2010-10-05 Freescale Semiconductor, Inc. Generalized reference signaling scheme for multi-user, multiple input, multiple output (MU-MIMO) using arbitrarily precoded reference signals
KR101426962B1 (ko) * 2008-03-20 2014-08-07 삼성전자주식회사 다중 안테나 다중 사용자 통신 시스템에서 빔 포밍 방법 및장치
US8477859B2 (en) * 2009-03-23 2013-07-02 Futurewei Technologies, Inc. System and method for wireless communications with codebook quantization
CN101895486A (zh) * 2010-07-16 2010-11-24 北京创毅视通科技有限公司 一种lte下行波束赋形方法、装置、基站和用户终端
CN103326761B (zh) 2012-03-19 2017-10-27 中兴通讯股份有限公司 信道状态信息处理方法及装置
CN103475401B (zh) * 2013-09-18 2017-02-01 北京北方烽火科技有限公司 一种下行波束赋形方法与装置
KR102204618B1 (ko) * 2014-01-28 2021-01-19 엘지전자 주식회사 무선 통신 시스템에서 적응적 안테나 스케일링 기반 참조 신호 송신 방법 및 이를 위한 장치
CN105207738B (zh) 2014-06-10 2018-08-10 中国移动通信集团公司 一种信道参数上报方法、装置、通信终端及基站
CN105322992B (zh) 2014-06-23 2018-12-28 中国移动通信集团公司 基站天线选择及多天线通道自适应方法、装置和基站
CN105530037B (zh) 2014-10-24 2019-04-19 电信科学技术研究院 一种信道状态信息的反馈、获取方法及装置
US10476563B2 (en) * 2014-11-06 2019-11-12 Futurewei Technologies, Inc. System and method for beam-formed channel state reference signals

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150222340A1 (en) * 2012-09-07 2015-08-06 Ntt Docomo, Inc. Radio communication method, user terminal, radio base station and radio communication system
WO2016051792A1 (fr) * 2014-10-01 2016-04-07 Nec Corporation Procédé et système de communication mimo
US20160233938A1 (en) * 2015-02-06 2016-08-11 Nokia Solutions And Networks Oy Multiple Restrictions For CSI Reporting

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
NOKIA ET AL: "DMRS-based Semi-open Transmission Schemes", vol. RAN WG1, no. Gothenburg, Sweden, 21 August 2016 (2016-08-21), XP051125344, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/Meetings_3GPP_SYNC/RAN1/Docs/> [retrieved on 20160821] *
See also references of WO2018058621A1 *

Also Published As

Publication number Publication date
CN109565479A (zh) 2019-04-02
EP3512169B1 (fr) 2023-04-05
WO2018058621A1 (fr) 2018-04-05
EP3512169A1 (fr) 2019-07-17
US20190356367A1 (en) 2019-11-21
US10693543B2 (en) 2020-06-23
CN109565479B (zh) 2020-11-03

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